Can the cold make you stronger?

Wim Hof claims that a regime of cold baths and breathing techniques will stave off the flu and boost your immune systemCold showers are commonly associated with dousing sexual urges, tropical holidays and plumbing emergencies. But Dutch daredevil Wim Hof, who holds the world record for the longest time immersed in an ice bath, claims they can also teach people how to control their immune system.Hof was nicknamed “The Iceman” for his seemingly freakish feats, which include climbing Ev